摘要
大熊猫栖息地的质量是维持大熊猫种群持续性的关键因素,大熊猫主食竹种群的特征是大熊猫栖息地质量的关键。2017年6月与2018年4月,针对九寨沟自然保护区内发现大熊猫取食痕迹的主食竹种群进行了调查,以得到区内大熊猫取食利用的主食竹特征。调查发现九寨沟大熊猫取食利用的主食竹为华西箭竹,取食主食竹的基径平均值约为6.3 mm,对主食竹基径的选择利用范围主要集中在约5.9 mm^6.7 mm,其中最大基径为9.62 mm,最小基径为3.30 mm。大熊猫取食的主食竹所在种群的竹秆平均基径约为4.9 mm,其95%置信区间为4.7 mm^5.1 mm,其中最大基径为16.20 mm,最小基径为1.70 mm;平均种群密度约为35株·m^-2;被大熊猫选择取食利用的主食竹种群高度集中在约110 cm^125 cm。
The quality of habitats was critical for sustainability of giant panda populations.The characteristics of the diet bamboo populations were one of the most important indicators for restoration of the habitat.The staple diet bamboo populations were investigated to get characteristics of the diet bamboo populations for giant pandas in Jiuzhaigou Nature Reserve from Jun.2017 to Apr.2018.The results showed that 1)the giant pandas in Jiuzhaigou generally preferred to the bamboo individuals at an interval of[6.3±0.4]mm(p=95%)in the basal diameter with a maximum of 9.62 mm and a minimum of 3.30 mm;2).The mean basal diameter of the bamboo individuals occurred in the same zone as the giant pandas habitat was[4.79±0.2]mm with a maximum of 16.20 mm and a minimum of 1.70 mm(p=95%);3).The mean population density of bamboos was 35 individnals·m^-2;and the height of most bamboos foraged by giant pandas was between 110cm and 125 cm.
作者
雷开明
程胡椒
旷培刚
冉江洪
孙鸿鸥
张跃
麦浪
曾涛
LEI Kai-ming;CHENG Hu-jiao;KUANG Pei-gang;RAN Jiang-hong;SUN Hon-gou;ZHANG Yue;MAI Lang;ZENG Tao(Jiuzhaigou National Nature Reserve,Aba 623402,Sichuan,China;Sichuan Key Laboratory of Conservation Biology on Endangered Wildlife,Key Laboratory of Bio-resource and Eco-environment of Ministry of Education,College of Life Sciences,Sichuan University,Chengdu 610064,China;Department of Ecology,College of Urban and Environmental Sciences,Key Laboratory for Earth Surface Processes of Ministry of Education,Beijing University,Beijing 100871,China)
出处
《四川林业科技》
2019年第5期66-69,共4页
Journal of Sichuan Forestry Science and Technology
基金
国家林业局大熊猫国际资金项目(EB1415)
关键词
九寨沟
大熊猫主食竹
取食利用
种群特征
Jiuzhaigou
Diet bamboo for the Giant Pandas
Foraging
Population characteristics
